423149455080 has 512 divisors, whose sum is σ = 1614297600000. Its totient is φ = 97643750400.

The previous prime is 423149455073. The next prime is 423149455163. The reversal of 423149455080 is 80554941324.

423149455080 is a `hidden beast` number, since 4 + 2 + 3 + 1 + 4 + 94 + 550 + 8 + 0 = 666.

It is a super-2 number, since 2×423149455080² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24452271 + ... + 24469569.

It is an arithmetic number, because the mean of its divisors is an integer number (3152925000).

Almost surely, 2^423149455080 is an apocalyptic number.

423149455080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423149455080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807148800000).

423149455080 is an abundant number, since it is smaller than the sum of its proper divisors (1191148144920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423149455080 is a wasteful number, since it uses less digits than its factorization.

423149455080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17430 (or 17420 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 423149455080 in words is "four hundred twenty-three billion, one hundred forty-nine million, four hundred fifty-five thousand, eighty".